Stacked film, electronic device substrate, electronic device, and method of fabricating stacked film
US-2017345992-A1 · Nov 30, 2017 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01L41/27 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 272 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 25 |
| 2017 | 41 |
| 2018 | 30 |
| 2019 | 32 |
| 2020 | 36 |
| 2021 | 34 |
| 2022 | 28 |
| 2023 | 20 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vibrating body, method of manufacturing the same and vibration type drive device
US-9818925-B2 · Nov 14, 2017 · US
Method of manufacturing ultrasound probe
US-9812635-B2 · Nov 7, 2017 · US
Thin film piezoelectric element and manufacturing method thereof
US-2017317267-A1 · Nov 2, 2017 · US
Bonded structure, piezoelectric device, liquid ejecting head, and method of manufacturing bonded structure
US-9682554-B2 · Jun 20, 2017 · US
Piezoelectric device and method for manufacturing piezoelectric device
US-9647199-B2 · May 9, 2017 · US
Piezoelectric device and method for manufacturing piezoelectric device
US-2017098758-A1 · Apr 6, 2017 · US
Device using a piezoelectric element and method for manufacturing the same
US-2017062696-A1 · Mar 2, 2017 · US
Actuator device and method for manufacturing the actuator device
US-9543498-B2 · Jan 10, 2017 · US
Method for producing intravascular ultrasonic transducers and structure thereof
US-2016351783-A1 · Dec 1, 2016 · US
High temperature flexural mode piezoelectric dynamic pressure sensor
US-2016327445-A1 · Nov 10, 2016 · US
Integrated piezoelectric sensor for detecting in-plane forces, such as shocks, accelerations, rotational forces
US-2016320425-A1 · Nov 3, 2016 · US
Method for producing flexible EAP generators
US-9484520-B2 · Nov 1, 2016 · US
Fluorosilicone-based dielectric elastomer and method for its production
US-9478727-B2 · Oct 25, 2016 · US
Electromechanical effect in metal oxides
US-9450172-B2 · Sep 20, 2016 · US
Ultrasonic transducer and manufacture method thereof
US-2016260885-A1 · Sep 8, 2016 · US
Multi-layered thin film piezoelectric devices and methods of making the same
US-9437802-B2 · Sep 6, 2016 · US
Piezoelectric membrane, piezoelectric device, and inkjet head
US-9427967-B2 · Aug 30, 2016 · US
Piezoelectric element and method for manufacturing piezoelectric element
US-2016240768-A1 · Aug 18, 2016 · US
Piezoelectric thin film stack
US-2016240769-A1 · Aug 18, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01L41/27?
- CPC H01L41/27 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H01L41/27 (Electricity)?
- Our database includes 272 publications tagged with this CPC code.
- Is patent activity under CPC H01L41/27 growing?
- Publication counts under this code: 28 in 2022 vs 20 in 2023 (latest complete years).